| Municipality | ZIP Code |
|---|---|
| Bayombong | 3700 |
| Location | Municipality | Province | Region | ZIP Code |
|---|---|---|---|---|
| Paitan | Bayombong | Nueva Vizcaya | Cagayan Valley | 3700 |
| Salvacion | Bayombong | Nueva Vizcaya | Cagayan Valley | 3700 |
| San Nicolas North | Bayombong | Nueva Vizcaya | Cagayan Valley | 3700 |
| Santa Rosa | Bayombong | Nueva Vizcaya | Cagayan Valley | 3700 |
| Vista Alegre | Bayombong | Nueva Vizcaya | Cagayan Valley | 3700 |
